All-Lift Systems is a distributor for all major lifting clamp manufacturers: Crosby, Campbell, CM, SuperClamp, J.C. Renfroe, and Terrier Lifting Clamps. Lifting clamps are used to lift and transfer materials and equipment during rigging applications. Horizontal lifting clamps are used for the horizontal lifting and transporting of steel plates and sheets. Horizontal lifting clamps must always be used in pairs. Don't see the brand or type of horizontal lifting clamp you are looking for on our website? Please contact us for more information or to request a quote.